<template>
	<view>
		<view :key="index" v-for="(item, index) in options">
			<view v-if="values.includes(item.value)">
				<text
					v-if="(item.elTagType == 'default' || item.elTagType == '') && (item.elTagClass == '' || item.elTagClass == null)"
					:key="item.value" :index="index" :class="item.elTagClass">
					{{ item.label + " " }}</text>
				<up-tag v-else :key="item.value + ''" :index="index"
					:type="item.elTagType === 'danger' ? 'error': item.elTagType"
					:class="item.elTagClass">{{ item.label + " " }}</up-tag>
			</view>
		</view>
		<view v-if="unmatch && showValue">
			{{ unmatchArray | handleArray }}
		</view>
	</view>
</template>

<script setup>
	import {ref, computed} from 'vue';
	// 记录未匹配的项

	const props = defineProps({
		// 数据
		options: {
			type: Array,
			default: null,
		},
		// 当前的值
		value: [Number, String, Array],
		// 当未找到匹配的数据时，显示value
		showValue: {
			type: Boolean,
			default: true,
		},
		separator: {
			type: String,
			default: ",",
		}
	});
	
	const unmatchArray = ref([]);

	const values = computed(() => {
		if (props.value === null || typeof props.value === 'undefined' || props.value === '') return [];
		return Array.isArray(props.value) ? props.value.map(item => '' + item) : String(props.value).split(props
			.separator);
	});

	const unmatch = computed(() => {
		unmatchArray.value = [];
		// 没有value不显示
		if (props.value === null || typeof props.value === 'undefined' || props.value === '' || props.options
			.length === 0) return false
		// 传入值为数组
		let unmatch = false // 添加一个标志来判断是否有未匹配项
		values.value.forEach(item => {
			if (!props.options.some(v => v.value === item)) {
				unmatchArray.value.push(item)
				unmatch = true // 如果有未匹配项，将标志设置为true
			}
		})
		return unmatch // 返回标志的值
	});

	function handleArray(array) {
		if (array.length === 0) return "";
		return array.reduce((pre, cur) => {
			return pre + " " + cur;
		});
	}
</script>

<style lang="scss" scoped>
	.up-tag+.up-tag {
		margin-left: 10px;
	}
</style>